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...resulting service known as voice over IP (VoIP). Since then, video has taken its turn. Within the video category, both live and stored video can be accommodated. So, too, can video feeds from surveillance security cameras. Other potential services that have traditionally lived on separate networks and are now finding homes on the IP network include building environmental control systems, security intrusion systems, and LCD projectors. Given that background, a concise definition of converged networks is simply: multipurpose networks.

What's in It for Us?

The ability to move several types of information across an IP network holds several advantages for K-12:

1) Reduced cabling. An IP-based system can significantly reduce the amount of cabling necessary in a building. Existing facilities can even choose to salvage no-longer-needed cable for the monetary value of the copper it contains, which is fairly significant these days. (Cautionary note:...

NOTE: All illustrations and photos have been removed from this article.



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